MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The presence of numerous unknown URLs, many hosted on what appear to be compromised CMS uploads, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://almuhja.com/ckfinder/userfiles/files/rojarewalixufiteva.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/pujibesosodavejalopivazi.pdf
- http://naviway.su/upload/files/lurezibosuzaf.pdf
- http://ingenermarket.ru/userfiles/20785431023.pdf
- https://dveropolis.ru/upload_picture/38555933493.pdf
- https://likeevent.it/writable/public/userfiles/file/fadowezujuvape.pdf
- http://studiospazioambiente.it/userfiles/files/goruwurufero.pdf
- http://www.rupankar.com/fckimages/file/keluze.pdf
- http://spbi.cz/res/file/mijujusatajunumixumaguwe.pdf
- http://fields-on-earth.com/images/blog/file/89634609110.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f01e14856c---lewisugenutidetoregin.pdf
- http://educasters.co/ckfinder/userfiles/files/xidab.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb14b4b5be---doverixoxubawenajizaguxu.pdf
- http://rivebistro.net/ckfinder/userfiles/files/xivezagibiw.pdf
- https://jv-cms.crazy-jessie.nl/uploads/files/64309423133.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/ei7lln7eqqp0bgbblr0g5klug7/46188427444.pdf
- https://cfaegaianascente.pt/portal/userfiles/files/nalewanejer.pdf
- http://www.amanuttarakhand.org/ckfinder/userfiles/files/regowigoninuluzemad.pdf
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pipege.pdf
- http://ciaooo.ru/uploades/userfiles/file/kikamewuletazuziwekivixus.pdf
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/luxevagefatemevagabaleg.pdf
- http://hyunshin.net/userfiles/file/1279653450.pdf
- http://www.galiantsolutions.com/emailimages/file/84286319964.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=cara+menyadap+iphone+gratis
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d836.bin9a6c139e2c46cef8a38c449c3d59206c2f71a65c6d9218324afbc7a0b59462dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD836 | 16616 bytes |
font_01_sfnt_off00010374.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10374 | 16792 bytes |
font_02_sfnt_off00011b8b.binefc2e925fc41063547e9b7301cd33f1b3f1dd58d628e45bbede0dead02f32671 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8B | 10936 bytes |
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